As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WAS ADVISED BY TOWER WE HAD A L WING FUEL LEAK. CONFIRMED WE WERE LOSING FUEL AND LANDED BACK IN ONT. ON DESCENT L PRESS RELIEF VALVE LEAKING.(<P>PRESS RELIEF VALVE UNABLE TO RESET. R/R PRESS RELIEF VALVE IAW AMM 28-13-04. TRANSFERRED FUEL AND PERFORMED ENGINE RUN IAW AMM 77-00-00. OPS CHECK AND LEAK CHECK GOOD. PART EFFECTIVITY IAW IPC 28-11-01-02</P>)